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Title: :  ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY
PaperId: :  21580
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 9 Issue 5 2023
DUI:    16.0415/IJARIIE-21580
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Ajiboye Oluwatobi BabatundeRufus Giwa Polytechnic, Owo
Oluwasegunfunmi V.Rufus Giwa Polytechnic, Owo
Olododo A.Rufus Giwa Polytechnic, Owo

Abstract

GEOTECHNICAL ENGINEERING AND ENGINEERING GEOLOGY
Subgrade, Geotechnics, Failure, Compaction, Akure, Ikere-Ekiti
Geotechnical analyses were carried out to examine the contributions of engineering geological properties of subgrade soils to the failure of the Akure-Ikere Ekiti road, Southwestern Nigeria. Field observations revealed that the road is in a very poor state of serious deformation and disrepair as most parts of the road alignment have failed. The alignment of the studied road is predominantly underlain by Granite, Charnockites, and Migmatites. Laboratory tests results showed that the natural moisture content ranges from 10.98 to 21.4%, liquid limit from 22.8 to 47.7%, plastic limit from 19.2 to 24 .6, plasticity index 3.6 to 26.3%. The grain size analysis revealed that the amount of fines ranges from 15.9 to 49%. Others are linear shrinkage, between 1.4 and 10%, free swell between 25 and 46%, maximum dry density from 1593 to 2016 kg/m, and CBR between 5 and 48%. The specific gravity ranges from 2.64 to 2.74. With reference to AASHTO classification, 5% of the samples was classified as A-4, 15% classified as A-2-4, 40% classified as A-6, while 40% classified as A-7-6. The dominance of fair-to-good California bearing ratio, fair to good maximum dry density, high linear shrinkage and A-7-6, A-6, and A-2-4 soil groups have combined to give fair-to-good geotechnical properties to the studied soils. Generally, the fair to good geotechnical properties of soil of the road under study is an indication that the contribution of subgrade soil to the failure of the highway is negligible. The total breakdown of the road can be traced to substandard engineering specifications which are complemented by a poor drainage system.

Citations

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IJARIIE Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. "ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY" International Journal Of Advance Research And Innovative Ideas In Education Volume 9 Issue 5 2023 Page 637-653
MLA Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. "ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY." International Journal Of Advance Research And Innovative Ideas In Education 9.5(2023) : 637-653.
APA Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., & Olododo A.. (2023). ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY. International Journal Of Advance Research And Innovative Ideas In Education, 9(5), 637-653.
Chicago Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. "ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY." International Journal Of Advance Research And Innovative Ideas In Education 9, no. 5 (2023) : 637-653.
Oxford Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. 'ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY', International Journal Of Advance Research And Innovative Ideas In Education, vol. 9, no. 5, 2023, p. 637-653. Available from IJARIIE, https://ijariie.com/AdminUploadPdf/ENGINEERING_GEOLOGICAL_PROPERTIES_OF_SUBGRADE_SOILS_TO_PREMATURE_FAILURE_OF_MAJOR_HIGHWAYS_IN_SOUTHWESTERN_NIGERIA__A_CASE_STUDY_OF_AKURE_IKERE_EKITI_HIGHWAY_ijariie21580.pdf (Accessed : ).
Harvard Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. (2023) 'ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY', International Journal Of Advance Research And Innovative Ideas In Education, 9(5), pp. 637-653IJARIIE [Online]. Available at: https://ijariie.com/AdminUploadPdf/ENGINEERING_GEOLOGICAL_PROPERTIES_OF_SUBGRADE_SOILS_TO_PREMATURE_FAILURE_OF_MAJOR_HIGHWAYS_IN_SOUTHWESTERN_NIGERIA__A_CASE_STUDY_OF_AKURE_IKERE_EKITI_HIGHWAY_ijariie21580.pdf (Accessed : )
IEEE Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A., "ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY," International Journal Of Advance Research And Innovative Ideas In Education, vol. 9, no. 5, pp. 637-653, Sep-Oct 2023. [Online]. Available: https://ijariie.com/AdminUploadPdf/ENGINEERING_GEOLOGICAL_PROPERTIES_OF_SUBGRADE_SOILS_TO_PREMATURE_FAILURE_OF_MAJOR_HIGHWAYS_IN_SOUTHWESTERN_NIGERIA__A_CASE_STUDY_OF_AKURE_IKERE_EKITI_HIGHWAY_ijariie21580.pdf [Accessed : ].
Turabian Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. "ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 9 number 5 ().
Vancouver Ajiboye Oluwatobi Babatunde, Oluwasegunfunmi V., and Olododo A.. ENGINEERING GEOLOGICAL PROPERTIES OF SUBGRADE SOILS TO PREMATURE FAILURE OF MAJOR HIGHWAYS IN SOUTHWESTERN NIGERIA: A CASE STUDY OF AKURE-IKERE EKITI HIGHWAY. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2023 [Cited : ]; 9(5) : 637-653. Available from: https://ijariie.com/AdminUploadPdf/ENGINEERING_GEOLOGICAL_PROPERTIES_OF_SUBGRADE_SOILS_TO_PREMATURE_FAILURE_OF_MAJOR_HIGHWAYS_IN_SOUTHWESTERN_NIGERIA__A_CASE_STUDY_OF_AKURE_IKERE_EKITI_HIGHWAY_ijariie21580.pdf
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